Toy building element



FIG. 1 is a top perspective view of the toy building element showing my new design;

FIG 2 is a bottom perspective view thereof;

FIG. 3 is a side elevational view thereof all sides being identical;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a toy building element, as shown and described. 